Pro per – this term comes from Latin. It is abbreviation of “properia persona”. Nowadays it is used in court procedures, where details that a party will defend them in person, i.e. – without a lawyer.
* Note it is advisable to hire a lawyer who to participate in court procedures on your behalf, because lawyers know terms, conditions and specifics of court procedures; in this way you may avoid a situation where for example you wish to sue somebody, but your claim could is revoked (i.e. not accepted) by the court due to some legal defect or shortcoming – for example if you have not stipulated requested details, or have not attached the needed proofs, etc .Many legal systems allow people who are not able to afford to pay a lawyer, to use legal aid, with the permission by the court.